Display device



FIG. 1 is a front view of a display device, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a right-side view thereof; and,

FIG. 7 is a perspective view thereof.

In the drawings, the broken lines represent portions of the display device that form no part of the claimed design. 

CLAIM The ornamental design for a display device, as shown and described. 